Market capitalization of OXY decreased by 13.64% over the past 1 year. The primary factor behind the change was an increase in P/E Change from 26.91 to 30.69.
The secondary factor is the Revenue Growth, contributed -7.65%to the performance.
Overall, the performance of OXY in the past 1 year is driven by P/E Change. Which is more unsustainable.